On Mon, May 13, 2024 at 01:36:46PM -0400, Benjamin Marzinski wrote: > Suggested-by: Nitin Yewale <nyewale@xxxxxxxxxx> > Signed-off-by: Benjamin Marzinski <bmarzins@xxxxxxxxxx> Oops. I forgot to update the man page date. Martin, either I can send a new patch or you can feel free to update the date when you apply this one, whichever you'd prefer. -Ben > --- > multipathd/multipathd.8.in | 211 ++++++++++++++++++++++++++++++++++++- > 1 file changed, 207 insertions(+), 4 deletions(-) > > diff --git a/multipathd/multipathd.8.in b/multipathd/multipathd.8.in > index 32976052..ff150f3d 100644 > --- a/multipathd/multipathd.8.in > +++ b/multipathd/multipathd.8.in > @@ -117,7 +117,7 @@ Show the paths that multipathd is monitoring, and their state. > .B list|show paths [raw] format $format > Show the paths that multipathd is monitoring, using a format string with path > format wildcards. Adding \fIraw\fR will remove the headers and alignment > -padding from the ouput. > +padding from the output. See "Path format wildcards" below. > . > .TP > .B list|show path $path > @@ -131,7 +131,8 @@ Show the multipath devices that the multipathd is monitoring. > .B list|show maps|multipaths [raw] format $format > Show the status of all multipath devices that the multipathd is monitoring, > using a format string with multipath format wildcards. Adding \fIraw\fR will > -remove the headers and alignment padding from the output. > +remove the headers and alignment padding from the output. See "Multipath > +format wildcards" below. > . > .TP > .B list|show maps|multipaths status > @@ -162,7 +163,7 @@ Show topology of a single multipath device specified by $map, for example > .B list|show map|multipath $map [raw] format $format. > Show the status of multipath device $map, using a format string with multipath > format wildcards. Adding \fIraw\fR will remove the headers and alignment > -padding from the output. > +padding from the output. See "Multipath format wildcards" below. > . > .TP > .B list|show map|multipath $map json > @@ -170,7 +171,8 @@ Show information about multipath device $map in JSON format. > . > .TP > .B list|show wildcards > -Show the format wildcards used in interactive commands taking $format. > +Show the format wildcards used in interactive commands taking $format. See > +"Format Wildcards" below. > . > .TP > .B list|show config > @@ -367,6 +369,207 @@ Stop multipathd. > . > . > .\" ---------------------------------------------------------------------------- > +.SH "Format Wildcards" > +.\" ---------------------------------------------------------------------------- > +. > +Multipathd commands that take a $format option require a format string. This > +string controls how a device is printed and should include format wildcards. > +When the devices are printed, these wildcards will be replaced by the > +appropriate device information. The following wildcards are supported. > +.TP > +.B Multipath format wildcards > +.RS > +.TP 12 > +.B %n > +The device name. > +.TP > +.B %w > +The device WWID (uuid). > +.TP > +.B %d > +The device sysfs name (dm-<minor_nr>). > +.TP > +.B %F > +The device \fBfailback\fR setting. For deferred failbacks, it will either > +print the configured time if a deferred failback is not in progress, or > +it will show the current progress of a deferred failback. > +.TP > +.B %Q > +The device \fBno_path_retry\fR setting. If no_path_retry is set to a > +number of retires, it will either print the configured number of checker > +retries if the device is not in recovery mode, the number of seconds until > +queueing is disabled if the device is queueing in recovery mode, or \fIoff\fR > +if the device has disabled queueing. > +.TP > +.B %N > +The number of active paths for the device. > +.TP > +.B %r > +The device write-protect setting, either \fIro\fR or \fIrw\fR. > +.TP > +.B %t > +The device-mapper state of the device, either \fIsuspend\fR or \fIactive\fR. > +.TP > +.B %S > +The device size. > +.TP > +.B %f > +The device table features string. > +.TP > +.B %x > +The number of times the device has entered a state where it will fail IO. > +This is an alias for the \fB%4\fR wildcard. > +This value can be reset with the '\fIreset map $map stats\fR' command. > +.TP > +.B %h > +The device table hardware handler string. > +.TP > +.B %A > +The last action multipathd took on the device. This wildcard is for debugging > +use, as understanding its meaning requires looking at the code. > +.TP > +.B %0 > +The number of times a path in the device has failed. > +This value can be reset with the '\fIreset map $map stats\fR' command. > +.TP > +.B %1 > +The number of times multipathd has initiated a pathgroup switch for the device. > +This value can be reset with the '\fIreset map $map stats\fR' command. > +.TP > +.B %2 > +The number of times multipathd has loaded a new table for the device. > +This value can be reset with the '\fIreset map $map stats\fR' command. > +.TP > +.B %3 > +The approximate number of seconds that multipathd has spent queueing with > +no usable paths. This value can be reset with the '\fIreset map $map stats\fR' > +command. > +.TP > +.B %4 > +The number of times the device has entered a state where it will fail IO. > +This is an alias for the \fB%x\fR wildcard. > +This value can be reset with the '\fIreset map $map stats\fR' command. > +.TP > +.B %s > +The vendor/product string for the device. > +.TP > +.B %v > +The array vendor string for the device. > +.TP > +.B %p > +The array product string for the device. > +.TP > +.B %e > +The array firmware revision string for the device. > +.TP > +.B %G > +The foreign library used for the device, or \fB--\fR for native device-mapper > +multipath devices. > +.TP > +.B %g > +Data from vendor specific vpd pages for the device, if any. > +.TP > +.B %k > +The actual max_sectors_kb setting for the device (which may be different from > +the configured one). > +.RE > +. > +. > +.TP > +.B Path format wildcards > +.RS > +.TP 12 > +.B %w > +The device WWID (uuid). > +.TP > +.B %i > +The device Host:Channel:Id:Lun > +.TP > +.B %d > +The device sysfs name. > +.TP > +.B %D > +The device major:minor > +.TP > +.B %t > +The device-mapper state of the device, either \fIactive\fR or \fIfailed\fR. > +.TP > +.B %o > +Whether the device is \fIoffline\fR or \fIrunning\fR. > +.TP > +.B %T > +The multipathd path checker state of the device. > +.TP > +.B %s > +The vendor/product/revision string for the device. > +.TP > +.B %c > +The device's path checker name. > +.TP > +.B %C > +The progress towards the next path checker run on the device. > +.TP > +.B %p > +The device priority. > +.TP > +.B %S > +The device size. > +.TP > +.B %z > +The device serial number. > +.TP > +.B %M > +The device marginal state, either \fImarginal\fR or \fInormal\fR. > +.TP > +.B %m > +The multipath device that this device is a path of. > +.TP > +.B %N > +The host World Wide Node Name (WWNN) of the device. > +.TP > +.B %n > +The target World Wide Node Name (WWNN) of the device. > +.TP > +.B %R > +The host World Wide Port Name (WWPN) of the device. > +.TP > +.B %r > +The target World Wide Port Name (WWPN) of the device. > +.TP > +.B %a > +The host adapter name for the device (only SCSI devices). > +.TP > +.B %G > +The foreign library used for the device, or \fB--\fR for paths of native > +device-mapper multipath devices. > +.TP > +.B %g > +Data from vendor specific vpd pages for the device, if any. > +.TP > +.B %0 > +The number of times this device has failed. > +.TP > +.B %P > +The device protocol. This output can be used for \fIprotocol\fR blacklist > +entries. > +.TP > +.B %I > +The device initialization state. Devices that have been fully initialized > +are shown as \fIok\fR. > +.TP > +.B %L > +The device SCSI LUN ID in hexadecimal format > +.TP > +.B %A > +The ALUA Target Port Group ID for the device, if applicable. > +.TP > +.B %k > +The actual max_sectors_kb setting for the device (which may be different than > +the configured one). > +.RE > +. > +. > +.\" ---------------------------------------------------------------------------- > .SH "SYSTEMD INTEGRATION" > .\" ---------------------------------------------------------------------------- > . > -- > 2.45.0 >
